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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 908 · 40 sums
TalentJR

The trick (Anurupyena): Top row: a³, a²b, ab², b³ (each term is the one before × b ÷ a). Under the two middle terms write double of them, and add: a³ | 3a²b | 3ab² | b³. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.94³ =
  2. 2.57³ =
  3. 3.21³ =
  4. 4.89³ =
  5. 5.67³ =
  6. 6.55³ =
  7. 7.14³ =
  8. 8.13³ =
  9. 9.92³ =
  10. 10.49³ =
  11. 11.43³ =
  12. 12.17³ =
  13. 13.97³ =
  14. 14.63³ =
  15. 15.55³ =
  16. 16.16³ =
  17. 17.59³ =
  18. 18.65³ =
  19. 19.82³ =
  20. 20.94³ =
  21. 21.79³ =
  22. 22.51³ =
  23. 23.61³ =
  24. 24.69³ =
  25. 25.44³ =
  26. 26.22³ =
  27. 27.31³ =
  28. 28.84³ =
  29. 29.42³ =
  30. 30.14³ =
  31. 31.37³ =
  32. 32.59³ =
  33. 33.16³ =
  34. 34.89³ =
  35. 35.99³ =
  36. 36.84³ =
  37. 37.28³ =
  38. 38.19³ =
  39. 39.72³ =
  40. 40.32³ =

Answer key

  1. 830584
  2. 185193
  3. 9261
  4. 704969
  5. 300763
  6. 166375
  7. 2744
  8. 2197
  9. 778688
  10. 117649
  11. 79507
  12. 4913
  13. 912673
  14. 250047
  15. 166375
  16. 4096
  17. 205379
  18. 274625
  19. 551368
  20. 830584
  21. 493039
  22. 132651
  23. 226981
  24. 328509
  25. 85184
  26. 10648
  27. 29791
  28. 592704
  29. 74088
  30. 2744
  31. 50653
  32. 205379
  33. 4096
  34. 704969
  35. 970299
  36. 592704
  37. 21952
  38. 6859
  39. 373248
  40. 32768

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